What are some plural nouns?

A:

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Plural nouns, words that denote more than one person, place or thing, often end in "-s," as in the words "teachers," "towns," "toys," "cars" and "dogs." Nouns that form their plurals in such manner are regular nouns. Many irregular nouns exist, however, that form their plurals in a number of different ways, including such words as "alumni," "men," "children," "mice" and "loaves."

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Many singular nouns that end in -y form their plurals by changing the "y" to an "i" and adding -es. Examples of these plural nouns are "cities," "babies," "jellies," "ladies" and "allies." One-syllable nouns ending in "-y," however, generally just add an "-s." Examples include "days," "keys," "boys," "rays" and "guys."

Singular nouns that end in "-f" often change the "f" to a "v" and add an "-es." "Half" becomes "halves," "wolf" becomes "wolves" and "thief" becomes "thieves."

Some nouns that have an interior double "o" form the plural by changing the "oo" to "ee." Examples are "goose" to "geese" and "tooth" to "teeth." "Moose," however, is the same in both forms.

Some nouns are the same in both singular and plural forms. "Deer," "fish," "sheep," "bison" and "aircraft" are examples. Other words, such as "scissors" and "pants," are always plural.

Other nouns change completely in plural form. "Mouse" and "louse" become "mice" and "lice," "child" changes to "children" and "ox" becomes "oxen."